CA2033370A1 - Apparatus and method for converting cinematic images to video signals - Google Patents

Apparatus and method for converting cinematic images to video signals

Info

Publication number
CA2033370A1
CA2033370A1 CA2033370A CA2033370A CA2033370A1 CA 2033370 A1 CA2033370 A1 CA 2033370A1 CA 2033370 A CA2033370 A CA 2033370A CA 2033370 A CA2033370 A CA 2033370A CA 2033370 A1 CA2033370 A1 CA 2033370A1
Authority
CA
Canada
Prior art keywords
video signal
fields
generated
frames
predetermined number
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2033370A
Other languages
French (fr)
Other versions
CA2033370C (en
Inventor
Yoshio Ozaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of CA2033370A1 publication Critical patent/CA2033370A1/en
Application granted granted Critical
Publication of CA2033370C publication Critical patent/CA2033370C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
    • H04N7/0132—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter the field or frame frequency of the incoming video signal being multiplied by a positive integer, e.g. for flicker reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/253—Picture signal generating by scanning motion picture films or slide opaques, e.g. for telecine
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0112—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards corresponding to a cinematograph film standard

Abstract

An apparatus and method for converting images recorded in a plurality of frames in a cinematic film into an output video signal having a plurality of fields. A predetermined number of fields of a video signal are generated from each of the plurality of frames of the film such that the predetermined number of fields generated from odd numbered frames differ from the predetermined number of fields generated from even numbered frames by a number n, where n is a positive integer. An interpolated video signal is generated from a plurality of the generated fields of the video signal which include fields generated from at least two sequential frames. The interpolated video signal has a duration of n multiplied by the duration of a field. The interpolated video signal is combined with at least some of the predetermined number of fields of the video signal to form the output video signal.
CA002033370A 1989-12-29 1990-12-28 Apparatus and method for converting cinematic images to video signals Expired - Fee Related CA2033370C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP343924/89 1989-12-29
JP1343924A JP2773337B2 (en) 1989-12-29 1989-12-29 Video signal conversion method

Publications (2)

Publication Number Publication Date
CA2033370A1 true CA2033370A1 (en) 1991-06-30
CA2033370C CA2033370C (en) 1998-07-07

Family

ID=18365296

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002033370A Expired - Fee Related CA2033370C (en) 1989-12-29 1990-12-28 Apparatus and method for converting cinematic images to video signals

Country Status (6)

Country Link
US (1) US5084755A (en)
EP (1) EP0437850B1 (en)
JP (1) JP2773337B2 (en)
KR (2) KR100233479B1 (en)
CA (1) CA2033370C (en)
DE (1) DE69025741T2 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5617218A (en) * 1989-09-07 1997-04-01 Advanced Television Test Center Bi-directional television and motion picture film to magnetic tape format digital signal converter
DE69028847T2 (en) * 1989-10-20 1997-04-03 Snell & Wilcox Ltd DIGITAL TELEVISION CONVERSION
JPH04304083A (en) * 1991-03-31 1992-10-27 Sony Corp Picture signal converting device
US5321500A (en) * 1991-08-07 1994-06-14 Sony Electronics Inc. Non-real-time film scanning system
GB2262853B (en) * 1991-12-20 1995-07-19 Sony Broadcast & Communication Digital video signal processing
WO1993015586A1 (en) * 1992-02-03 1993-08-05 Eastman Kodak Company A partial interpolation method and apparatus for frame rate conversion
JPH05227473A (en) * 1992-02-12 1993-09-03 Sony Corp Telecine equipment
US8102419B1 (en) * 1993-05-24 2012-01-24 Deluxe Media Services Llc Method and apparatus for improved scanning of film
EP0632650B1 (en) * 1993-06-08 1999-02-03 Eastman Kodak Company Illumination control system for a film scanner
US5414460A (en) * 1993-06-08 1995-05-09 Eastman Kodak Company Mechanical aperture for controlling illumination level
GB9401897D0 (en) * 1994-02-01 1994-03-30 Snell & Wilcox Ltd Video processing
EP0696401B1 (en) * 1994-03-01 2001-05-30 SNELL & WILCOX LIMITED Scanning converter for video display
US5563651A (en) * 1994-12-30 1996-10-08 Thomson Consumer Electronics, Inc. Method and apparatus for identifying video fields produced by film sources employing 2-2 and 3-2 pull down sequences
KR960028124A (en) * 1994-12-30 1996-07-22 이몬 제이. 월 Method and apparatus for identifying video fields generated by film sources
US6222589B1 (en) 1996-08-08 2001-04-24 Yves C. Faroudja Displaying video on high-resolution computer-type monitors substantially without motion discontinuities
CA2233754A1 (en) * 1997-04-04 1998-10-04 Sony Corporation Single light source additive lamphouse with digital light modulation
EP1121808A1 (en) * 1999-08-03 2001-08-08 Koninklijke Philips Electronics N.V. Method and device for encoding sequences of frames including either video-type or film-type images
US8736759B2 (en) * 2008-08-05 2014-05-27 Mediatek Inc. Methods and related apparatus making effective use of bandwidth of storage device to generate interpolated frames

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524306B2 (en) * 1972-11-20 1980-06-27
GB2007935B (en) * 1977-11-14 1982-06-23 British Broadcasting Corp Telecine machines
US4476493A (en) * 1981-04-16 1984-10-09 Robert Bosch Gmbh Television scanning of motion picture films of different frame aspect ratios
JPS59500646A (en) * 1982-03-30 1984-04-12 ブリティッシュ・ブロ−ドキャスティング・コ−ポレ−ション Improvement of telecine equipment
GB2124449B (en) * 1982-07-16 1986-11-19 British Broadcasting Corp Concealment of defects in a video signal
NL8300591A (en) * 1983-02-17 1984-09-17 Philips Nv TELEVISION CIRCUIT FOR FLICKER REDUCTION IN DISPLAY.
NL8301937A (en) * 1983-06-01 1985-01-02 Philips Nv TELEVISION CIRCUIT FOR FLICKER REDUCTION IN DISPLAY.
US4633293A (en) * 1983-09-26 1986-12-30 Rca Corporation High definition television signal for film-television standards conversion system
JP2624507B2 (en) * 1988-05-19 1997-06-25 日本放送協会 Motion compensated telecine device
US4998287A (en) * 1988-10-14 1991-03-05 General Instrument Corporation Determination of sequential positions of video fields derived from film

Also Published As

Publication number Publication date
KR100233479B1 (en) 1999-12-01
JP2773337B2 (en) 1998-07-09
US5084755A (en) 1992-01-28
JPH03204282A (en) 1991-09-05
DE69025741D1 (en) 1996-04-11
KR100196586B1 (en) 1999-06-15
CA2033370C (en) 1998-07-07
EP0437850B1 (en) 1996-03-06
DE69025741T2 (en) 1996-07-18
KR910013871A (en) 1991-08-08
KR910013193A (en) 1991-08-08
EP0437850A2 (en) 1991-07-24
EP0437850A3 (en) 1991-12-04

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20081229